Treitz pocket is one of the most popular pockets of our time. This pocket was designed by Treitz T.-R. in 1900 and became a key element in solving many problems. It quickly became a standard in the textile industry due to its functionality, versatility and aesthetic characteristics. Treitz Pockets are a type of pocket that can be used for various purposes, such as storing money, keys, business cards and other small items. The chamber pocket is an invention of Zwilling J. A. Henckels & Co. Sohn. Although this fitting was introduced in 1927, it gained popularity after World War II. Today, Zwilling chambers of various kinds are widely used in almost all kitchen utensils, especially knives and knives